<template>
  <div>
    <div class="search">
        <input type="type" v-model="keyword" class="search-input" placeholder="请输入城市名或拼音">
    </div>
    <div class="search-content" ref="search" v-show="keyword">
      <ul>
        <li class="search-itme" v-for="itme of list" :key="itme.id" @click="handleCityClick(itme.name)">
          {{itme.name}}
        </li>
         <li class="search-itme" v-show="hasNoData">
          没有更多找到数据
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'
import {mapMutations} from 'vuex'
export default {
  name: 'CitySearch',
  props: {
    cities: Object
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null
    }
  },
  methods: {
    handleCityClick (city) {
      this.changeCity(city)
      this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  computed: {
    hasNoData () {
      return !this.list.length
    }
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.search)
  },
  watch: {
    keyword () {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if (!this.keyword) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.search{
  height:0.72rem;
  background:$bgColor
  padding:0 0.1rem;
}
.search-input{
  width:100%;
  height:0.6rem;
  line-height:0.6rem;
  text-align:center;
  border-radius:0.06rem;
  background:#FFF;
  color:#666;
  padding:0 0.1rem;
  box-sizing:border-box;
}
.search-content{
  z-index:1;
  overflow:hidden;
  position:absolute;
  top:1.58rem;
  left:0;
  right:0;
  bottom:0;
  background:#eee;
}
.search-itme{
  line-height:0.62rem;
  padding-left:0.2rem;
  color:#666
  background:#fff;
  border-bottom:1px solid #eee;
}
</style>
